Add the lack of indoor plumbing & no anti-biotics. That is who the swine flu will hit the hardest - Those in the world who are still living like it’s 1918.
In point of fact, the H1N1 virus, well it's a virus. Antibiotics have no effect on viruses. However, there are two antivirals available today that have shown to be effective against this latest strain, save for two known cases (one in Europe and one in San Francisco) that appear to be drug-resistant.